With your choice of 4.2, 6.2 or 8.1 Lbs. in extra counterweights, your Sphinx, GP2 or GPD2 mount is open for many other possibilities. Made of machined steel, these weights will fit anything with a 3/4 inch (19mm) counterweight shaft

With your choice of 4.2, 6.2 or 8.1 Lbs. in extra counterweights, your Sphinx, GP2 or GPD2 mount is open for many other possibilities. Made of machined steel, these weights will fit anything with a 3/4 inch (19mm) counterweight shaft.

Allows attachment of camera to the 20mm weight shaft found on Vixen GP and Sphinx mounts. Because the Cameras weight is now helping counterbalance the Optical Tube, users are greatly appreciative of the fact they do not have to add MORE counterweights